body {
	margin: 0;
	padding: 0;
}

a,
li,
ul ,input,form{
	margin: 0;
	padding: 0;
	text-decoration: none;
	list-style: none;
}
a{
	color: white;
}
input{
	outline: none;
	border: none;


}
/* 清除浮动 */
.clearfix::before,
.clearfix::after{
	content: "";
	clear: both;
	visibility: hidden;
	display: block;
}
/* 版心 */
.contaier {
	width: 80%;
	margin: 0 auto;
}
